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tracking control |
统调控制 : 41 phrases in 13 subjects |
Air defense | 2 |
Automobiles | 2 |
Aviation | 10 |
Electric machinery | 2 |
Electronics | 8 |
Geophysics | 1 |
Hydroelectric power stations | 1 |
Mechanics | 1 |
Metallurgy | 2 |
Refrigeration | 1 |
Space | 5 |
Technology | 5 |
Wind Energy | 1 |